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National Stock Number:
5305-01-206-7260
Federal Supply Class:
5305
National Item Identification Number:
012067260
Description:
SCREW,CLOSE TOLERANCE
Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| 11883-3DL6 | 59563 | REID PRODUCTS INC. | | 3M926-3DL6 | 007R1 | TWIST TITE MFG, INC | | 3M926-3DL6 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M926-3DL6 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M926-3DL6 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M926-3DL6 | 76301 | THE BOEING COMPANY | | HT4068-3-D6 | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-3D6A | 06725 | SPS TECHNOLOGIES, LLC | | HT4068-3D6A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-3D6A | 17446 | HUCK INTERNATIONAL, INC | | HT4068-3D6A | 27624 | SPS TECHNOLOGIES LLC | | HT4068-3D6A | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-3D6A | 73197 | HI-SHEAR CORPORATION | | HT4068-3D6A | 80539 | SPS TECHNOLOGIES, LLC | | HT4068-3D6A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-3D6A | 97928 | HUCK INTL INC | | HT4068-3D6A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4068-3D6A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC4068-3D6 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.693 INCHES MINIMUM AND 0.733 INCHES MAXIMUM FIRST HOLE | | COUNTERSINK ANGLE | 101.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.814 INCHES MINIMUM AND 0.844 INCHES MAXIMUM | | GRIP LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE | | SPECIAL FEATURES | CETYL ALCOHOL APPLICATION PER MIL-L-87132,TYPE 2,CLASS 3 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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